US Bridges

Limestone RD over Aroostook Riv Abandd RR

Poor

Aroostook County, Maine · 200 Ft NE Ofjct RTE 161 · Structure no. 2024

Built
1956
69 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
801 ft
5 main spans
Daily traffic
3,620
2016 count
Owner
State
State Highway Agency

About this bridge

Limestone RD over Aroostook Riv Abandd RR is a steel continuous stringer/multi-beam or girder carrying Limestone RD over Aroostook Riv Abandd RR in Aroostook County, Maine. It was built in 1956, so it is 69 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,620 vehicles a day, roughly 5% of them trucks, projected to reach 5,068 by 2036. The structure is 801 ft (244.2 m) long and 38 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesLimestone RD
CrossesAroostook Riv Abandd RR
Location200 Ft NE Ofjct RTE 161
RouteState Highway 1
StateMaine
Coordinates46.77379, -67.83316
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadH 20
Structure length801 ft (244.2 m)
Longest span170 ft (51.8 m)
Deck width38 ft (11.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,620 (2016)
Projected traffic5,068 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Limestone RD over Aroostook Riv Abandd RR built?

It was built in 1956, making it 69 years old in 2025.

What condition is Limestone RD over Aroostook Riv Abandd RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Limestone RD over Aroostook Riv Abandd RR carry?

About 3,620 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Limestone RD over Aroostook Riv Abandd RR?

The structure is 801 ft (244.2 m) long with a longest span of 170 ft (51.8 m) and a deck 38 ft wide.

Who owns Limestone RD over Aroostook Riv Abandd RR?

It is owned by the State Highway Agency.